This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAU100X900, with the same bore, stroke, output force, port and mounting, so it fits the same application. The SAU replacement uses the same profile body, bore, stroke, force and SC-series mounting. It moves to the current CMSG / DMSG / EMSG sensor switches (the SU used CS1-B / DS1-B) and adds the SAUF valve-integrated option.

The AirTAC SU63-100 Standard Cylinder SU100X900 is a double-acting profile-type standard cylinder with a Ø100mm bore and 900mm stroke, 1/2" air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAU100X900, which matches its bore, stroke, force and mounting.
The AirTAC SU100X900 is a discontinued double-acting profile-type cylinder with a 100mm bore and 900mm stroke. It delivers a robust 3927 N push force at 0.5 MPa. AirTAC replaced this end-of-line unit with the SAU100X900, a direct upgrade retaining the exact 1/2" port, M20x1.5 rod thread, and SC-series mounting footprint.
Because this specific SKU lacks a magnet (-S), it cannot accept any magnetic switches. The SAU upgrade modernizes sensing via CMSG/DMSG/EMSG switches on magnet-equipped variants, and introduces the SAUF built-in 4M solenoid valve option the SU line never had.
| Model | Airtac SU63-100 Standard Cylinder SU100X900 |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAU100X900 |
| Bore size | Ø100 mm |
| Stroke | 900 mm |
| Acting type | Double acting |
| Port size | 1/2" |
| Rod thread | M20×1.5 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 800 mm/s |
| Cushion | Adjustable, 29 mm |
| Max standard stroke | Up to 1500 mm |
Specifications follow the official AirTAC SU datasheet (now discontinued). The SAU100X900 carries the same ratings. Confirm against the product label before installation. Thread options: PT / G / NPT.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3927 N | 3682 N |
| 0.7 MPa | 5498 N | — |
| Max (@1.0 MPa) | 801 kgf | |
The SAU100X900 produces the same force from the same bore. Actual usable force is lower than theoretical; size with a margin.
| SU | Profile-type standard cylinder (discontinued). |
|---|---|
| 100 | Bore size in mm. |
| ×900 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Legacy SU-family variants: SUD (double rod), SUJ (adjustable stroke) — each maps to its SAU equivalent (SUD→SAUD, SUJ→SAUJ). The current SAU line adds the SAUF valve-integrated option.
Provides the high push force needed to eject dense metal stampings from a press bed, utilizing the 900mm stroke to clear the largest die envelopes safely.
Drives loaded pallets out of a wrapping station, where the 200 kg vertical lift capacity and long stroke handle heavy unitized freight without faltering.
Shifts heavy injection molds along the production line, relying on the 1/2" port for rapid actuation and external guides to manage the extended 900mm rod.
To replace this SU100X900, order the SAU100X900. Verify your 1/2" port, M20x1.5 rod thread, and SC-series mounting accessories (LB, FA, FB, CA, CB) — all remain identical. Since this SKU has no magnet, it cannot support sensors; if you need position detection, specify an SAU100X900S and migrate to CMSG/DMSG/EMSG switches. Sizing both ways: stepping down to an 80mm bore yields 2513 N push at 0.5 MPa, while this 100mm bore provides 5497 N at 0.7 MPa. For the 900mm stroke, add external guide rails to prevent rod bending and side-load damage. A plain cylinder drifts on air loss — the 29mm cushions only decelerate, so install an external rod lock for held loads.
Replacement checklist
Yes, the AirTAC SU100X900 is discontinued. The direct replacement is the SAU100X900. It matches the 100mm bore, 900mm stroke, 1/2" port, output force, and SC-series mounting, so it fits the same application directly.
It delivers 3927 N push and 3681 N pull at 0.5 MPa, 5497 N push at 0.7 MPa, and a theoretical max of 801 kgf at 1.0 MPa. The 29mm adjustable cushions only decelerate the piston near stroke end; they do not hold the load. On air loss, the cylinder drifts, so you must use an external rod lock or pilot-operated check valve for load holding.
Send us the quantity and destination. We confirm price, stock and lead time on the SAU100X900 replacement — usually within 7-8 hours.